Yes, you can hide them from Viewers and only Editors and Owners will see the pages in Draft mode:
- Login to your Guideline 
- Press the edit button or use the shortcut CMD + E 
- On the right site at each page, you`ll have the eye icon. 
- Press on it to activate the draft mode for this page 
- Close the edit mode and reload your Guideline 
See here to learn more.
